| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 142,081 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,303 |
| 500 Biggest US Cities | 0 | - | 4.88 | 99,712 |
| Biggest Cities in the World | 0 | - | 4.90 | 695,505 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,087 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,043 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,478 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 77,947 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,274 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 201,863 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,686 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,357 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,797 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,372 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 98,997 |
| Biggest Cities in the United States | 0 | - | 4.93 | 842,355 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 336,949 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,285 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,203 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 172,247 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,250 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,301 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,993 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,591 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,205 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,756 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,353 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,725 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,053 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,242 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,377 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 103,706 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 519,088 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,198 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,654 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,166 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,149 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,646 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,779 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,281 |
| Megacities on a World Map | 0 | - | 4.98 | 222,582 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,036 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,411 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,116 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 44,763 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,629 |
| Biggest Cities in Germany | 0 | - | 4.95 | 265,993 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,061 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,960 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,349 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,008 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,564 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,824 |
| Biggest Cities in Europe | 0 | - | 4.76 | 470,114 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,263 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,607 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,482 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,114 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,157 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,283 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,327 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,627 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,222 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 37,035 |
| Biggest Cities in California | 0 | - | 4.35 | 131,249 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,816 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,183 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,988 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,839 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 41,002 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 69,257 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,063 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,268 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,627 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 74,922 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 65,729 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,130 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,419 |
| Biggest Cities in New Jersey | 0 | - | 4.10 | 25,172 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 30,143 |
| Biggest Cities in Virginia | 0 | - | 4.21 | 23,137 |
| Biggest Cities in Oregon | 0 | - | 4.10 | 18,915 |
| Biggest Cities in Alaska | 0 | - | 4.27 | 23,781 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 24,751 |
| Biggest Cities in Louisiana | 0 | - | 4.12 | 18,411 |
| Biggest Cities in Massachusetts | 0 | - | 4.38 | 27,912 |
| Biggest Cities in Missouri | 0 | - | 4.21 | 15,962 |
| Biggest Cities in Tennessee | 0 | - | 4.24 | 19,283 |
| Biggest Cities in Indiana | 0 | - | 4.28 | 23,419 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,776 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,084 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,232 |
| Biggest City by Region | 0 | - | 4.50 | 33,906 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,743 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,518 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,538 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,400 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,246 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,760 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,823 |
| Biggest City by Island | 0 | - | 4.57 | 45,968 |
| Biggest Cities in History | 0 | - | 4.50 | 81,287 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,282 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,147 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,623 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,377 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.23 | 93,531 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,836 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,690 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,878 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,124 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,293 |
| Biggest Cities in France | 0 | - | 4.76 | 201,462 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,196 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,788 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,625 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,429 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,345 |
| Biggest Cities in China | 0 | - | 4.55 | 140,351 |
| Cities of Ireland | 0 | - | 4.43 | 40,058 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,626 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,877 |
| Biggest Cities in India | 0 | - | 4.71 | 62,891 |
| Biggest Cities in Italy | 0 | - | 4.66 | 219,524 |
| Biggest Cities in Arizona | 0 | - | 4.28 | 28,799 |
| Biggest Cities in Michigan | 0 | - | 3.97 | 32,456 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,287 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,574 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 98,561 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,458 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 129,897 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,605 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,583 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,859 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,595 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,125 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,470 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,113 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,811 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,087 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 153,902 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,277 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,349 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,653 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,417 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,074 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,546 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 20,965 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,896 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 21,833 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 204,510 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.84 | 51,324 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,320,947 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,560 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,655 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 110,722 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,345 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,716 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,242 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,569 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 23,761 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 168,493 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,741 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 18,985 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,899 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,454 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,616 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,365 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,696 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,116 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,710 |
| Countries with Megacities | 0 | - | 4.99 | 199,958 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,516 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,048 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,098 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,024 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,743 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,243 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,456 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,332 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,597 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,848 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,418 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,922 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,830 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,878 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,896 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,454 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,061 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,582 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 82,177 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,337 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 71,889 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,983 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,414 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 28,918 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,271 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,598 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,678 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,715 |
